Image of BD-30-SS
UL 521 Listed
Basis of Design
Multifamily Ready
Fast Lead Times

Air Control and Backdraft Dampers /Backdraft Dampers /Low to Medium Velocity /Fabricated Blade

BD-30-SS

Backdraft Damper

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Common Applications

  • Wood Truss Assemblies
  • Multifamily
  • Light Commercial

Resources

Product Sheets

  • PDF BD-30-SS Product Sheet

Installation Instructions

  • PDF BD-30-SS Installation Instruction

Overview

BD-30-SS backdraft dampers employ gravity operated formed style blades to restrict reverse airflow and to permit the forward flow of air on the intended direction. The BD-30-SS damper may be mouted vertically or horizontally in either exhaust or intake installations for low velocity and pressure applications.

Standard Construction

Frame: 2" x 1/2" x 20 ga. (51 x 13 x 0.95) stainless steel channel.
Blades: 22 ga. (0.80) 304 stainless steel formed.
Axles: 3/16" (4.8) diameter sythetic.
Linkage: 22 ga. (0.80) 304 stainless steel.
Seals: Neoprene blade edge seals.
Minimum Size: 6" x 6" (152 x 152)
Maximum Size: 
Single Section: 36" x 24" (914 x 610)
Multiple Sections: Unlimited

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